SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 SHIYAN 27C
1 63601U 25078C 25259.30044025 .00000027 00000-0 99825-4 0 9995
2 63601 99.6956 265.6881 0000883 78.6567 281.4671 13.57214580 20384Epoch: 2025-09-16T07:12Z
TLE epoch observation values (Epoch: 2025-09-16T07:12:38.037Z)
Latitude
0.00002°
Longitude
162.03689°
Altitude
1,048.498 km
Speed
7.328 km/s
True Right ascension
17h 42m 45s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
08:02:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.779 km
Perigee altitude
1,042.468 km
Semi-major axis
7,421.261 km
Eccentricity
0.00009
Inclination
99.6956°
RAAN
265.6881°
Arg. of periapsis
78.6567°
True anomaly
281.45718°
Mean anomaly
281.4671°
Eccentric anomaly
281.46214°
Mean motion
3.3949 °/min
Orbital period
106.04 mins
BSTAR
0.000099825
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-16 23:16:28.433Z | 117.489° SE | 2025-09-16 23:21:28.433Z | 60.97° ENE | 25.976° | 2025-09-16 23:26:28.433Z | 7.439° NNE |
| 10 mins | 2025-09-17 01:01:28.433Z | 195.12° SSW | 2025-09-17 01:05:28.433Z | 255.193° W | 36.319° | 2025-09-17 01:11:28.433Z | 332.359° NNW |
| 8 mins | 2025-09-17 12:09:28.433Z | 54.674° ENE | 2025-09-17 12:12:28.433Z | 87.321° E | 19.963° | 2025-09-17 12:17:28.433Z | 139.89° SSE |
| 10 mins | 2025-09-17 13:53:28.433Z | 3.041° NNE | 2025-09-17 13:57:28.433Z | 308.247° NW | 40.7° | 2025-09-17 14:03:28.433Z | 212.923° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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